package com.mq.mqtest.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

/**
 * @author peng.li
 * @date 2021/6/15 20:01
 */
@Configuration
public class MQConfig {
    @Bean
    public Queue orderDelayQueue() {
        //String name,
        // boolean durable,
        // boolean exclusive,
        // boolean autoDelete,
        // Map<String, Object> arguments  如果是延时队列，需要设置参数。所以定义一个map
        Map<String, Object> map = new HashMap<>();
        map.put("x-dead-letter-exchange", "order-event-exchange");
        map.put("x-dead-letter-routing-key", "order.release.order");
        map.put("x-message-ttl", 30000);
        return new Queue("order.delay.queue", true, false, false, map);
    }

    @Bean
    public Queue orderReleaseOrderQueue() {
        //普通队列无需设置参数，所以不用定义Map
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange() {
        return new TopicExchange("order-event-exchange", true, false, null);
    }

    /**
     * 创建交换机跟两个队列的绑定关系
     */
    @Bean
    public Binding orderCreateOrderBinding() {
        //String destination,
        // Binding.DestinationType destinationType,
        // String exchange, String routingKey,
        //Map map
        return new Binding("order.delay.queue", Binding.DestinationType.QUEUE, "order-event-exchange",
            "order.create.order", null);
    }

    @Bean
    public Binding orderReleaseOrderBinding() {
        return new Binding("order.release.order.queue", Binding.DestinationType.QUEUE, "order-event-exchange",
            "order.release.order", null);
    }

    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }
}
